/*
 * JHeuristics - The Java Meta-Heuritics Library
 * Copyright (C) 2004-2005, Universidade Federal de Campina Grande. All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package org.jheuristics.ga.operators;

import org.epanetgrid.otimizacao.simulation.GradienteNaoConvergeOtimizacaoException;
import org.jheuristics.ga.GAConfig;
import org.jheuristics.ga.GAStatus;
import org.jheuristics.ga.Operator;


/**
 * TODO
 *
 * @author Marcell Manfrin, marcell@ourgrid.org, Jan 9, 2006
 */
public class IndividualsEvaluationOperator implements Operator {
    private PopulationChooser chooser;

    /**
     * TODO
     *
     * @param chooser
     */
    public IndividualsEvaluationOperator(PopulationChooser chooser) {
        setPopulationChooser(chooser);
    }

    /**
     * TODO
     *
     * @param status
     * @param config
     * @see org.jheuristics.ga.Operator#operate(org.jheuristics.ga.GAStatus, org.jheuristics.ga.GAConfig)
     */
    public void operate(GAStatus status, GAConfig config) throws GradienteNaoConvergeOtimizacaoException {
        config.getBulkFitnessEvaluator().evaluateFitness(chooser.choose(status, config), status, config);
    }

    /**
     * TODO
     *
     * @return
     */
    public PopulationChooser getPopulationChooser() {
        return chooser;
    }

    /**
     * TODO
     *
     * @param chooser
     */
    public void setPopulationChooser(PopulationChooser chooser) {
        if (null == chooser) {
            // TODO: ERROR MSG
            throw new NullPointerException();
        }
        this.chooser = chooser;
    }

}
